What is the mass of an object that weighs 55N on earth?

Which of the following correctly describes the number of protons and electrons in an atom? The number of protons is higher than the number of electrons The number of protons is equal to the number of neutrons The number of electrons is higher than

12co2 chemical/compound name

How do the units of work and power compare? The unit for work is a watt. The unit for power is a joule, which is a watt-second. The unit for work is a watt. The unit for power is a joule, which is a watt per second. The unit for work is a joule.

If a force of 25 N is applied to an object with a mass of 8 kg, the object will accelerate at

When passing another vehicle you are allowed to exceed the speed limit by?

Two blocks are at the top of a ramp. Block A slides without friction to the bottom, and at the same instant block B drops vertically to the ground. (a) Which block reaches the ground with the greater speed? Explain.

Wood is an example of a fossil fuel. User: The type of energy stored by fossil fuels such as coal is a. kinetic energy. b. mechanical energy. c. chemical potential energy. d. electromagnetic energy. User: An example of a fossil fuel is a. wood. b.

What type of changes does erosion cause? A physical B chemical C electrical D magnetic

Which of the following will exert a force on a magnet? another magnet a nearby piece of glass a nearby piece of plastic a nearby electric current

The rate at which light energy is radiated from a source is measured in which of the following units? A. Lumen B. Candela C. Lux D. Angstrom